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(Senior) Ruby Engineer (m/f/d)

Permanent employee, Full-time · Berlin
Your Responsibilities

  • Web Development and Platform Building – You bring digital-first to the energy sector, and are a driving force in the development of our platform, contributing to Fuchs & Eule’s success by building a strong technical foundation

  • Software Engineering and Quality Assurance – You ensure that the software you write always has a high code quality, and deliver a high level of test coverage, security and performance

  • Teamwork and Initiative – You work in your cross-functional team with UX designers, product managers and other engineers, actively participating in product discussions and code reviews to find solutions together

  • Agile Work and User-Centeredness – You and your colleagues create added value for our customers through frequent, iterative releases

Your profile

  • Experience and Technical Expertise – You have solid experience in setting up internet platforms with Ruby on Rails and are enthusiastic about the latest approaches like Hotwire

  • Architecture Understanding and Best Practices – You feel at home with the components and interactions within software systems as well as common methods of modern web/cloud software development and testing

  • Passion and Willingness to Learn – You are particularly passionate about the Ruby ecosystem and strive to constantly develop your skills, look for meaningful work content and take responsibility from your own initiative

  • Language – Your spoken and written English is fluent

Fuchs & Eule

  • We take our responsibility for a green future seriously and aim to make a significant contribution to CO2 reduction through our commitment to energy efficiency.

  • We are ambitious and constantly strive to improve. That’s why we give people the space to grow and take responsibility, and the support they need.

  • We are digital, innovative, customer focused and highly motivated to achieve great things with you.

  • We are a real team and support each other, speak our minds, have fun together and have a genuine desire to make a positive difference.

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About us

Now is the time to take action and fight the climate crisis. We want to support as many homeowners as possible to make their homes energy efficient and receive the best possible funding.


Residential homes are responsible for a significant percentage of global CO2 emissions and the pressure from high energy costs is higher than ever, but the path to a climate-neutral home with optimal funding is complicated. We combine expertise in the energy and buildings sector with practical project support and digital innovation, helping people and the environment in equal measures.

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